Some 70 million years ago, three tyrannosaurs stalked together across a mud flat in Canada, possibly searching for prey. The new insight comes from several parallel tyrannosaur tracks unearthed in Canada. The dinosaur tracks provide stronger evidence...

I want to have an extraordinary career -- and really make an impact inside my company, and out in the world. But there are so many little things that need to get done every day. It’s so hard to stay focused on the big picture. Sound like you? If so, ...

When I was a child about nine years old or so, I embarked on a mission to discover the barrier between waking and sleeping. I believed that if I concentrated each night before falling asleep, I would recognize the moment I slipped out of consciousnes...

One of the key incentives behind hunting down exoplanets is to find alien worlds with qualities similar to Earth. But in the case of a newly discovered exoplanet orbiting a star only 16 light-years away, although astronomers may call it 'habitable' a...

The long-held belief that emotional or physical stress can trigger heart attacks may now have a scientific explanation: In stressed people, heart attacks might be triggered by bacteria dispersing within artery walls, causing fatty deposits in those b...

Scientists have just discovered a distant galaxy with not one but three supermassive black holes at its core. The new finding suggests that tight-knit groups of these giant black holes are far more common than previously thought, and it potentially r...

A weird type of 'hybrid' star has been discovered nearly 40 years since it was first theorized — but until now has been curiously difficult to find. In 1975, renowned astrophysicists Kip Thorne, of the California Institute of Technology (Caltech) in ...

Scientists have made a stunning discovery in the outer realm of the solar system -- an asteroid with its own set of rings that orbits the sun between Saturn and Uranus. The space rock is the first non-planetary object ever found to have its own ring ...

One of the great mysteries of cancer is how it spreads, or metastasizes, throughout the body. But researchers have made an important discovery that may help to solve that puzzle: Cancer cells may fuse with white blood cells in order to spread. Resear...

A secretive new species of small wood-scorpion has been discovered in southwestern Turkey, researchers report. The creatures may have fearsome-looking tails and pinchers, but they measure just a few centimeters long and are mostly harmless to humans;...

"We cannot always build the future for our youth, but we can build our youth for the future," President Franklin D. Roosevelt said at the University of Pennsylvania in 1940. He would have been proud of the three forward-thinking middle schoolers comp...

Twitter will more actively share personalized recommendations about which accounts users should follow, the company announced Tuesday. Users will now receive push notifications through Twitter's mobile apps if a number of accounts in their network be...

Small carved stones unearthed in a nearly 5,000-year-old burial could represent the earliest gaming tokens ever found, according to Turkish archaeologists who are excavating early Bronze Age graves. Found in a burial at Başur Höyük, a 820- by 492-foo...

Evidence of a North American dinosaur with a large nose and gigantic horns was discovered in the remote badlands of southern Utah. The dinosaur, Nasuceratops titusi, aka “Big Nosed Horned Faced,” measured about 15 feet long, weighed nearly 2.75 tons ...

As far as planets go, HD 189733b -- a giant, sizzling Jupiter-like world that swoops around its parent star every 2.2 days -- couldn’t be more different from Earth. But the planet, located 63 light-years away in the constellation Vulpecula (the Fox),...

The giant oarfish is the longest bony fish in the world, measuring -- according to some reports -- about 56 feet from tip to tail, although recorded lengths are somewhat more modest. Its size and its snake-like shape suggest that it may have been the...

A scrappy family of mammals with unusual, mismatched features moved underground and, like living in a perpetual bomb shelter, managed to survive the mass extinction event 65 million years ago that wiped out the world's non-avian dinosaurs. We know th...

Since Mashable’s inception, some of our most popular articles have focused on the science behind the world’s coolest innovations. To that end, we’re delighted to announce that we’ve partnered with Discovery Communications to bring articles and video ...

Meet Xenoceratops foremostensis, a brand-new species of ceratopsid, or horned dinosaur. The species was discovered in the plentiful fossil beds of Canada. Weighing in at 2 tons and about 20 feet long, Xenoceratops — meaning “alien-horned face” — live...

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